One-click install for the OSX App Launcher

ui/app_list/cocoa/apps_search_results_controller.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_APP_LIST_COCOA_APPS_SEARCH_RESULTS_CONTROLLER_H_
 #define UI_APP_LIST_COCOA_APPS_SEARCH_RESULTS_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/app_list/app_list_export.h"
 #include "ui/app_list/app_list_model.h"
 #import "ui/base/cocoa/tracking_area.h"
 
 namespace app_list {
 class AppsSearchResultsModelBridge;
 class SearchResult;
 }
 
 @class AppsSearchResultsCell;
 
+// Delegate allowing AppsSearchResultsController to communicate with its owner.
 @protocol AppsSearchResultsDelegate<NSObject>
 
+// Retrieve the model, which includes current search results.
 - (app_list::AppListModel*)appListModel;
+
+// Open |result| from the model.
 - (void)openResult:(app_list::SearchResult*)result;
+
+// Perform the current search again (e.g. when uninstalling a search result).
 - (void)redoSearch;
 
+// Called when an action button is clicked for |result|, to invoke its action.
+- (void)invokeResultAction:(app_list::SearchResult*)result
+                   atIndex:(int)actionIndex;
+
 @end
 
 // Controller for the search results displayed when a user types in the app list
 // search box. Results display in an NSTableView with a single column. Each row
 // has an icon on the left, and one or two lines of formatted text describing
 // the result.
 APP_LIST_EXPORT
 @interface AppsSearchResultsController
     : NSViewController<NSTableViewDelegate, NSTableViewDataSource> {
  @private
@@ skipping 11 matching lines @@
 
 - (id)initWithAppsSearchResultsFrameSize:(NSSize)size;
 
 // Returns true when handling Enter, to activate the highlighted search result,
 // or up/down to navigate results.
 - (BOOL)handleCommandBySelector:(SEL)command;
 
 @end
 
 #endif  // UI_APP_LIST_COCOA_APPS_SEARCH_RESULTS_CONTROLLER_H_